Home / 14,200,475.20-21,288,271.20-8,522,958.40

Finding the Fourth Proportional to 14,200,475.20, 21,288,271.20 and 8,522,958.40

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Solution

The fourth proportional to 14,200,475.20, 21,288,271.20 and 8,522,958.40 is: 12,776,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200,475.20 : 21,288,271.20 = 8,522,958.40 : x
  2. Step 2: Convert to fraction form
    14,200,475.20/21,288,271.20 = 8,522,958.40/x
  3. Step 3: Cross multiply
    14,200,475.20x = 21,288,271.20 × 8,522,958.40
  4. Step 4: Simplify right side
    14,200,475.20x = 181,439,049,845,518.09
  5. Step 5: Solve for x
    x = 181,439,049,845,518.09/14,200,475.20
  6. Step 6: Final answer
    x = 12,776,970.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.